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path: root/drivers/hid/hid-lenovo.c
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Diffstat (limited to 'drivers/hid/hid-lenovo.c')
-rw-r--r--drivers/hid/hid-lenovo.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 0f35a76d9c90..c4c3f0952521 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -92,6 +92,38 @@ static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
case 0x00fa: /* Fn-Esc: Fn-lock toggle */
map_key_clear(KEY_FN_ESC);
return 1;
+ case 0x00fb: /* Middle mouse button (in native mode) */
+ map_key_clear(BTN_MIDDLE);
+ return 1;
+ }
+ }
+
+ /* Compatibility middle/wheel mappings should be ignored */
+ if (usage->hid == HID_GD_WHEEL)
+ return -1;
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
+ (usage->hid & HID_USAGE) == 0x003)
+ return -1;
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
+ (usage->hid & HID_USAGE) == 0x238)
+ return -1;
+
+ /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */
+ if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
+ (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
+ field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
+ field->logical_minimum = -127;
+ field->logical_maximum = 127;
+
+ switch (usage->hid & HID_USAGE) {
+ case 0x0000:
+ hid_map_usage(hi, usage, bit, max, EV_REL, 0x06);
+ return 1;
+ case 0x0001:
+ hid_map_usage(hi, usage, bit, max, EV_REL, 0x08);
+ return 1;
+ default:
+ return -1;
}
}
@@ -633,6 +665,11 @@ static int lenovo_probe_cptkbd(struct hid_device *hdev)
if (ret)
hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
+ /* Switch middle button to native mode */
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
+ if (ret)
+ hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
+
/* Set keyboard settings to known state */
cptkbd_data->fn_lock = true;
cptkbd_data->sensitivity = 0x05;